JP7080830B2 - Processes and equipment for making semi-finished goods chipping paper blanks - Google Patents

Description

The present invention is a method for producing a semi-finished product chipping paper blank for producing a chipping paper for a rod-shaped article, and a method for producing a chipping paper for a rod-shaped article using the semi-finished product chipping paper blank. It relates to a method, a device for carrying out these methods, and a rod-shaped article with a tipping paper attached to the tip.

Smoking items, such as cigarettes, typically come into direct contact with the consumer's lips. Therefore, it is preferable to keep this part of the smoking article as hygienic as possible.

It is an object of the present invention to provide chipping paper to keep the ends of rod-shaped articles clean and hygienic.

According to the first aspect of the present invention, there is provided a method for producing a semi-finished product chipping paper blank for producing a chipping paper for a rod-shaped article. The method is a step of providing continuous strips of chipping paper extending in the major axis direction, in which the strips have two opposing longitudinal edges and in the longitudinal direction of the continuous strips. It comprises the steps of cutting continuous strips along a plurality of transverse cutting lines along the gaps of each other to form a plurality of semi-finished goods chipping paper blanks. Each transverse cutting line comprises a straight transverse portion extending transversely from each longitudinal edge and intersecting the central portion of the arc. The arcuate central portion forms tabs that project into the recesses within the next adjacent semi-finished chipping paper blank, so that each semi-finished chipping paper blank has a transverse tab edge and an opposite transverse. It has a directional recessed edge.

As used herein, the term "semi-finished product" is a chipping paper material cut from a reel, but this semi-finished product chipping paper material is the final chipping that is wrapped around the finished smoking article. Refers to chipping paper materials that require additional steps to be converted to paper. In this case, as described below, each "semi-finished" chipping paper blank comprises two rod-shaped chipping papers.

Again, as described below, when the semi-finished chipping paper blank is further processed to produce chipping paper for rod-shaped articles, the tabs are cut to form pull tabs that facilitate the removal of the chipping paper. .. Advantageously, making one semi-finished chipping paper blank tab from material from the next adjacent chipping paper blank leaves a recess in the next adjacent chipping paper blank. This means that no additional material is needed to make the pull tab. This reduces or avoids wasting chipping paper. As explained below, the recess is invisible to the consumer of the final article.

According to one embodiment, the method of the first aspect of the invention extends in two continuous longitudinal directions, one on each side between the longitudinal edge and the central portion of the bow. It may include an additional step of providing a continuous strip of chipping paper with perforated lines. The perforation line extending in the major axis direction intersects the transverse cutting line.

The method according to this embodiment may advantageously include an additional step of providing a pair of opposing diagonal perforations between each pair of transverse cutting lines. The diagonal perforations extend from each major axis and at an acute angle to each longitudinal perforation. Both opposing diagonal perforations terminate adjacent to the central portion of the bow. According to this embodiment, the opposing diagonal perforations preferably terminate between the two intersections of the two straight transverse portions and the arcuate central portion.

Advantageously, the method according to the first aspect of the present invention additionally comprises the step of separating adjacent semi-finished goods chipping paper blanks of the same shape from each other in the longitudinal direction of the strips.

According to an embodiment of the present invention, a semi-finished goods chipping paper blank for making a chipping paper for a rod-shaped article is provided with a piece of chipping paper extending in the longitudinal direction, and the piece is provided. It has two opposing long axis edges. Transverse tab edges extend transversely from each longitudinal edge to intersect the arcuate central portion and comprise a straight transverse portion forming a tab protruding from the semi-finished chipping paper blank. Opposing transverse recessed edges extend transversely from each longitudinal edge to intersect the arcuate central portion, forming a straight transverse portion that forms a recessed notch in the semi-finished chipping paper blank. Be prepared.

According to one advantageous embodiment, the semi-finished chipping paper blank extends in two consecutive longitudinal directions, one on each side between the longitudinal edge and the center of the bow. Additional perforations are provided.

According to another advantageous embodiment, the semi-finished chipping paper blank additionally comprises a pair of opposing diagonal perforations, which are from and to each longitudinal perforation. On the other hand, it extends at an acute angle. Both opposing diagonal perforations terminate adjacent to the tab. Opposing diagonal perforations preferably terminate between the intersections of the two straight transverse sections and the tabs.

According to a second aspect of the present invention, there is provided a method for producing a chipping paper for a rod-shaped article, comprising a step of providing a semi-finished product chipping paper blank according to any embodiment of the chipping paper as described above. Has been done. In a further step of the method, the adhesive is in the longitudinal zone located adjacent to each longitudinal edge, and in the transverse zone located adjacent to the transverse recessed edge and the transverse tab edge. Is applied to the blank, but not to the tab itself. Further, the method is a step of providing two rod-shaped articles, one of which has an end portion in which each rod-shaped article extends in the long axis direction, and the other is a step of providing two rod-shaped articles in the long axis direction. Includes a step of locating the end portions extending in close proximity to each other. The transverse recessed edge of the blank is then glued to the adjacent ends of the two rod-shaped articles so that the transverse recessed edge is long axis along the edges of both adjacent rod-shaped articles. Extend in the direction. In another step, the blank is wound around two adjacent ends so that the longitudinal range of the blank extends around the ends of the two rod-shaped articles and is glued and traversed to it. End at the direction tab edge. Finally, the blank is cut between the two rod-shaped articles to provide the two rod-shaped articles, each rod-shaped article being covered with a chipping paper formed of half of the blank. It has a rod end and has an exposed pull tab formed by the cut rest of the tab.

By gluing the transverse recessed edge of the blank to the adjacent ends of the two rod-shaped articles and wrapping the blank around the two adjacent edges, the recessed edge is beneath the wound blank. Hidden and therefore invisible to consumers.

According to an advantageous embodiment of the second aspect of the invention, each major axis zone extends longitudinally to the entire length of each major axis edge, but to perforation along the major axis. Does not extend laterally.

According to another advantageous embodiment of the second aspect of the invention, the transverse zones are located on the transverse recess edges on both sides of the recess and on the transverse tab edges on both sides of the tab.

According to a third aspect of the invention, the rod-shaped article has a proximal end and a distal end, and a longitudinally extending end portion extending halfway along the rod-shaped article at the proximal end. Provided with, the edges are covered with chipping paper, which is provided with a pull tab for removing the chipping paper.

According to an advantageous embodiment of the third aspect of the invention, the pull tab is located adjacent to the proximal end.

According to another advantageous embodiment of the third aspect of the present invention, the rod-shaped article additionally comprises a perforation line extending in a circumferential shape around the chipping paper. Therefore, the circumferential perforation line is connected to the pull tab by an oblique perforation line. The pull tab can operate to facilitate the removal of the chipping paper when a pulling force is applied to tear the chipping paper along the diagonal perforations and then along the circumferential perforations. The diagonal perforation line extends from the circumferential perforation line at an acute angle to the circumferential perforation line.

The rod-shaped article of the third aspect of the present invention is advantageously a smoking article such as a cigarette, a filter cigarette, a cigar cigarette, or a component for a smoking device. The component for the smoking device may be a smoking material rod extending in the longitudinal direction, which is inserted into a heating device such as an electric or carbonaceous heating device, which is heated during consumption but not burned.

According to a fourth aspect of the present invention, there is provided an apparatus for producing a semi-finished product chipping paper blank from continuous strips of chipping paper, and the apparatus transports continuous strips in a transport direction. It is possible to operate as if. The apparatus according to the invention comprises a cutting / drilling assembly with a cutting / drilling die roller. The cutting / drilling die roller is a circumferential with multiple regularly interstitial bow-shaped cutting blades positioned to extend partially across the circumferential surface on both sides of the central circumferential line. Define the surface of. The cutting blades are configured to produce continuous strip cutting along multiple centrally located bow-shaped cutting lines with respect to each other in the direction of continuous strip transport. The bow-shaped cutting line forms a tab that protrudes into the recess. The apparatus further comprises a cutting drum located after the cutting / drilling die in the transport direction. The cutting drum separates the semi-finished chipping paper blanks from the continuous strips so that each semi-finished chipping paper blank has tabs and recesses so that a transverse cutting line (of each bow-shaped cutting line). It comprises a transverse cutting means configured to provide a line across continuous strips on both sides.

According to an advantageous embodiment of the fourth aspect of the invention, the cutting / perforating assembly is a counter configured to cut / perforate a continuous piece with the circumferential surface of the cutting / perforating die roller. Equipped with additional rollers.

According to another advantageous embodiment of the fourth aspect of the invention, the cutting / drilling die roller is a central circumference in which one continuous drilling line is placed on each side of the bowed cutting line. Additional long axis perforation means configured to provide continuous strips with two continuous perforation lines parallel to the line.

According to a further advantageous embodiment of the fourth aspect of the invention, the cutting / perforating die rollers are disposed between the perforating means in the longitudinal direction and diagonally opposed to each semi-finished chipping paper blank. It additionally comprises diagonal drilling means configured to provide a pair of drilling lines. Diagonal perforations extend from each longitudinal perforation and at an acute angle to each longitudinal perforation, with both opposing diagonal perforations ending adjacent to the tab. ..

According to a further advantageous embodiment of the fourth aspect of the present invention, the transverse cutting means comprises a plurality of cutting blades, each cutting blade being a bow-shaped cutting line formed on a continuous strip of a semi-finished product. A cutting edge with a central discontinuity configured to coincide with, or a pair of cutting blades intervening with each other, and the gap between each pair of cutting blades is continuous. It coincides with the bow-shaped cutting line formed on one side.

In both cases, the central discontinuity or gap is configured not to cut across the bow line so as not to cut the tab.

According to a further advantageous embodiment of the fourth aspect of the invention, the device is located in the transport direction, after the cutting / drilling die roller and in front of the cutting drum, adding continuous strips with the counter roller. Equipped with an additional roller positioned adjacent to the counter roller for transport between the effective rollers, the additional roller around the circumference of the counter roller to vary the length of the pull tab. It is possible to move with.

Here, one or more embodiments of the present invention will be described only by way of illustration with reference to the accompanying drawings.

FIG. 1 shows a continuous piece of chipping paper with cutting and perforating lines according to the invention. FIG. 2 shows a semi-finished product chipping paper blank coated with an adhesive pattern. FIG. 3 illustrates two rod-shaped articles that are stationary end-to-end, with a semi-finished Chipping Paper Blank 5 wrapped around and adhered to an abutting end. FIG. 4 illustrates a rod-shaped article with a chipping paper attached to the tip. FIG. 5 is a schematic view of an apparatus suitable for producing a semi-finished product chipping paper blank according to the present invention.

FIG. 1 shows a continuous piece of chipping paper 1 having a cutting line and a perforated line according to the present invention. In particular, transverse cutting lines are shown, each transverse cutting line comprising a pair of straight transverse portions 2 extending inward from the longitudinal edge, both continuous within manufacturing tolerances. It intersects the arcuate central portion 3 symmetrically arranged with respect to the nominal central longitudinal axis 4 of the slab. Each semi-finished chipping paper blank 5 is a piece of continuous chipping paper 1, which extends between two consecutive transverse cutting lines, and each bow-shaped central portion 3 is The next adjacent semi-finished product chipping paper blank 5 forms a protruding tab into the recess.

The continuous strip 1 shown in FIG. 1 has two continuous lengths, one on each side between the longitudinal edge and the arcuate central portion 3 of the transverse cutting line. An additional drilling wire 6 extending in the axial direction is provided. As can be seen in the figure, the continuous longitudinal perforation line 6 intersects the straight transverse portion 2 of the transverse cutting line.

The continuous strip shown in FIG. 1 additionally comprises a pair of opposing diagonal perforation lines 7 between each pair of transverse cutting lines, with the diagonal perforation lines 7 in their respective major axis directions. From the perforation line 6 extending to and at an acute angle to each perforation line 6 extending in the longitudinal direction, both opposing diagonal perforation lines 7 terminate adjacent to the arcuate central portion 3.

FIG. 2 shows a semi-finished product chipping paper blank 5 cut from a continuous piece of chipping paper 1 shown in FIG. The semi-finished chipping paper blank comprises tabs 8 and recesses 9 and is located within the longitudinal zone 10 located adjacent to each longitudinal edge, and adjacent to the transverse recessed edge and the transverse tab edge. Adhesive is applied in the transverse zone 11 located above, but not on the tab itself. As can be seen in the figure, each major axis zone 10 extends longitudinally along the edge of each major axis direction, but does not extend laterally until perforation in the major axis direction. Moreover, the transverse zone 11 is located on the transverse recess edges on both sides of the recess 9 and on the transverse tab edges on both sides of the tab 8.

FIG. 3 shows the end-to-end stationary, semi-finished chipping paper blank 5 wrapped around and at the end abutted by the adhesive so that the unbonded tab 8 protrudes from the chipping paper. Two rod-shaped articles 12 that are adhered to each other are illustrated. The tab 8 is formed by a circumferential drilling line 13 (corresponding to the opposing diagonal drilling lines 7 in FIGS. 1 and 2) and a circumferential drilling line 13 (a perforation line 6 extending in the longitudinal direction of FIGS. 1 and 2). Corresponds to).

In a subsequent process step (not shown) applied to the arrangement of FIG. 3, the semi-finished chipping paper blank 5 is cut and cut in the middle between two rod-shaped articles and through the middle of the tab 8. Two separate rod-shaped articles are provided that are separated, and a chipping paper is attached to the tip of each rod-shaped article. This arrangement is shown in FIG. 4, which illustrates a rod-shaped article 12 with a tipping paper 15 attached to the tip, provided with a pull tab 16. When using the chipping paper, pull the pull tab 16 to cut the chipping paper along the diagonal perforation line 13 and then cut along the connected circumferential perforation line 13 to facilitate the removal of the chipping paper. , Has a circumferential perforation line 13 connected to the pull tab 16 via an oblique perforation line 14.

FIG. 5 is a schematic view of an apparatus suitable for producing a semi-finished product chipping paper blank according to the present invention. It shows a continuous piece of chipping paper 17 fed into the cutting and drilling assembly 18 in the transport direction indicated by the arrow. The cutting and drilling assembly 18 is configured to produce continuous strip cutting along a plurality of centrally located bow-shaped cutting lines that are mutually interstitial in the direction of continuous strip transport. Also provided with a cutting / drilling die roller 19 defining a circumferential surface with a plurality of regularly arched cutting blades (not shown) so that each arched cutting line is recessed. Form a tab that projects inward. The cutting drum 20 is located behind the cutting / drilling die roller 19 in the transport direction, the cutting drum 20 separates the semi-finished chipping paper blanks from the continuous strips, and each semi-finished chipping paper blank is tabbed and trapped. Transverse cutting means (shown) configured to provide a transverse cutting line (a line that traverses continuous strips on either side of each bow cutting line so as not to cut the tab) to provide the recess. Do not have).

In this embodiment, the cutting / drilling assembly 18 additionally comprises a counter roller 21 configured to cut / drill the continuous strips 17 into contact with the circumferential surface of the cutting / drilling die roller 19. However, those skilled in the art are familiar with alternative methods to achieve this goal.

The cutting / drilling assembly according to the embodiment shown in FIG. 5 comprises an additional roller 22 located after the cutting / drilling die roller 19 in the transport direction and in front of the cutting drum 20 and also with a counter roller and additional. It is positioned adjacent to the counter roller 21 for the continuous strips 17 to be transported between the rollers. The additional roller 22 is movable around the circumference of the counter roller 21 (using means not shown). By doing this, the length of the tab 8 of the semi-finished product chipping paper blank may change.

In subsequent process steps not shown in FIG.
-Adhesive is applied to the cut semi-finished product chipping paper blank 5 by the method shown in FIG.
-By the method shown in FIG. 3, the semi-finished goods chipping paper blank 5 is wound around and adhered to a pair of rod-shaped articles 12.
-Semi-finished goods chipping paper blank 5 is cut and separated in the middle between two rod-shaped articles and through the middle of tabs 8 to provide two separated rod-shaped articles 12, each rod. A chipping paper is attached to the tip of the shaped article.

Claims (11)

A method for producing a semi-finished product chipping paper blank for producing a chipping paper for a rod-shaped article, wherein the method is:
A step of providing continuous strips of chipping paper extending in the major axis direction, wherein the strips have two opposing major axis direction edges.
The continuous strips are cut along a plurality of transverse cutting lines along the continuous strips in the long axis direction to form the plurality of semi-finished goods chipping paper blanks. Each transverse cutting line comprises a straight transverse portion extending transversely from each longitudinal edge and intersecting the central portion of the arch, wherein the central portion of the arch is the next adjacent half. A process in which a tab is formed that projects into a recess in a finished chipping paper blank so that each semi-finished chipping paper blank comprises a transverse tab edge and an opposite transverse recess edge.
Between the longitudinal edge and the central portion of the bow, there are two continuous longitudinal perforations arranged one on each side, the perforations extending in the longitudinal direction. A method comprising providing the continuous strip of chipping paper, wherein the line intersects the transverse cutting line. An additional step of providing a pair of opposing diagonal perforations between each pair of transverse cutting lines, from the perforations in which the diagonal perforations extend in their respective major axes, and their respective lengths. The method of claim 1, comprising the step of extending at an acute angle to an axially extending perforation line and ending both opposing diagonal perforation lines adjacent to the central portion of the bow. A method of manufacturing chipping paper for rod-shaped articles.
A step of providing a semi-finished product chipping paper blank produced by the method according to claim 1 or 2.
Adhesive to the blank in the longitudinal zone located adjacent to each longitudinal edge and in the transverse zone located adjacent to the transverse recessed edge and the transverse tab edge. The process of applying but not applying to the tab itself,
A step of providing two rod-shaped articles, wherein each rod-shaped article has an end portion extending in the long axis direction.
A step of positioning the end portions of the two rod-shaped articles extending in the long axis direction so as to be close to each other.
The step of adhering the transverse recessed edge of the blank to the adjacent end portions of the two rod-shaped articles, the result of which the transverse recessed edge is both adjacent rod-shaped articles. The process of extending in the long axis along the end portion,
The blank is wrapped around the two adjacent ends so that the longitudinal range of the blank extends around and adheres to the end portion of the two rod-shaped articles, said. The process that ends at the cross-sectional tab edge and
A step of cutting the blank between the two rod-shaped articles to provide the two rod-shaped articles, wherein each rod-shaped article is chipped in half of the blank. A method comprising a step, comprising an edge portion covered with paper and having an exposed pull tab formed from the cut rest of the tab. A method for manufacturing a rod-shaped article having a chipping paper, which has a proximal end and a distal end, and has an end portion extending in the longitudinal direction along the rod-shaped article at the proximal end. The chipping paper is provided with a pull tab for removing the chipping paper, and the rod-shaped article is one of the perforated lines extending in the longitudinal direction extending around the chipping paper in a circumferential shape. The circumferential perforation line is connected to the pull tab by an oblique perforation line corresponding to the opposing diagonal perforation line extending from the longitudinally extending perforation line. The pull tab facilitates removal of the chipping paper when a pulling force is applied to tear the chipping paper along the diagonal perforation line and then along the circumferential perforation line. It is operational and
A step of covering the end portion with a chipping paper produced by the method according to claim 3, comprising the step of providing the semi-finished product chipping paper blank produced by the method according to claim 2 . A method for manufacturing rod-shaped articles. The method for manufacturing a rod-shaped article according to claim 4, wherein the pull tab is located adjacent to the proximal end. The method for producing a rod-shaped article according to claim 4 or 5, which comprises a smoking article such as a cigarette. An apparatus for producing a semi-finished product chipping paper blank from continuous strips of chipping paper by the method according to claim 1, so that the apparatus transports the continuous strips in a transport direction. It is operable and
A cutting and drilling assembly that has a bow-shaped cutting blade with multiple regularly interstitial cutting edges located on both sides of a central circumferential line extending partially across a circumferential surface. Cutting the continuous strips along a plurality of centrally located bow-shaped cutting lines that demarcate a circumferential surface and that are centrally located across gaps in the transport direction of the continuous strips. The cutting / drilling die roller comprises a cutting / drilling die roller that is configured to give rise, resulting in a tab in which each bow-shaped cutting line projects into the recess.
A longitudinal drilling means configured to provide two continuous drilling lines parallel to the central circumference to the continuous strip, wherein the single continuous drilling line is Means and means arranged for each side of the bow-shaped cutting line.
Diagonal perforation means disposed between the longitudinal perforation means and configured to provide a pair of opposed diagonal perforation lines to each semi-finished chipping paper blank, the diagonal perforation means. Perforation means in which the lines extend from each longitudinal perforation line and at an acute angle to each longitudinal perforation line, with both opposing diagonal perforations ending adjacent to the tab. And, with additional cutting and drilling assemblies,
A cutting drum located after the cutting / drilling die roller in the transport direction, which separates the semi-finished chipping paper blanks from the continuous strips, resulting in tabs and traps in each semi-finished chipping paper blank. A device comprising a cutting drum with a transverse cutting means configured to provide a transverse cutting line (a line crossing a continuous strip on each side of each bowed cutting line) so as to comprise a recess. .. 7. The cutting / drilling assembly further comprises a counter roller configured to bring the continuous strip into contact with the circumferential surface of the cutting / drilling die roller. Equipment. Located in the transport direction, after the cutting and drilling die roller and in front of the cutting drum, the counterroller for transporting the continuous strip between the counterroller and additional rollers. The additional roller moves around the circumference of the counter roller so as to vary the length of the tab of the semi-finished chipping paper blank with said additional roller positioned adjacent to. The device of claim 8, which is possible. The transverse cutting means comprises a plurality of cutting blades, each cutting blade having a central discontinuity configured to coincide with the bow-shaped cutting line formed on the continuous strip of the semi-finished product. The apparatus according to any one of claims 7 to 9. The transverse cutting means comprises a plurality of pairs of cutting blades, each having a gap between them, wherein the gap between the pairs of cutting blades of each blade is formed on the continuous strip. The device according to any one of claims 7 to 10, which is consistent with a bow-shaped cutting line.

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